In the scientific use of the term, a "theory" is:
A) a prediction about the outcome of a given experiment or study.
B) an organized system of assumptions and principles that purports to explain a set of observations and how they are related.
C) a precise definition of a term in a hypothesis, which specifies how it will be observed and measured.
D) a scientist's best guess about the cause of an event or phenomenon.

Question

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In science, a theory is an explanation that has been tested and supported by multiple lines of evidence. It is a comprehensive system of assumptions, principles, and concepts that seeks to explain the observed phenomena and how they are related. A theory goes beyond a mere guess or speculation and is considered the highest level of scientific understanding.

In the Scientific Use of the Term, a "Theory" Is